258079947 has 8 divisors (see below), whose sum is σ = 347514000. Its totient is φ = 170349600.

The previous prime is 258079919. The next prime is 258079973. The reversal of 258079947 is 749970852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258079947 - 2⁶ = 258079883 is a prime.

It is a super-3 number, since 3×258079947³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258079947.

It is not an unprimeable number, because it can be changed into a prime (258079447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425572 + ... + 426177.

It is an arithmetic number, because the mean of its divisors is an integer number (43439250).

Almost surely, 2^258079947 is an apocalyptic number.

258079947 is a deficient number, since it is larger than the sum of its proper divisors (89434053).

258079947 is a wasteful number, since it uses less digits than its factorization.

258079947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851853.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 258079947 is about 16064.8668528563. The cubic root of 258079947 is about 636.6754251085.

The spelling of 258079947 in words is "two hundred fifty-eight million, seventy-nine thousand, nine hundred forty-seven".